<template>
  <!-- 表单 -->
  <el-form ref="addFormRef" :model="formData" :rules="rules" label-width="120px">

    <el-form-item label="姓名" prop="username">
      <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
    </el-form-item>

    <el-form-item label="手机" prop="mobile">
      <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
    </el-form-item>

    <el-form-item label="入职时间" prop="timeOfEntry">
      <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
    </el-form-item>

    <el-form-item label="聘用形式" prop="formOfEmployment">
      <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
        <el-option
          v-for="item in hireType"
          :key="item.id"
          :label="item.value"
          :value="item.id"
        />
      </el-select>
    </el-form-item>

    <el-form-item label="工号" prop="workNumber">
      <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
    </el-form-item>

    <el-form-item label="部门" prop="departmentName">
      <el-input v-model="formData.departmentName" style="width:50%" placeholder="请选择部门" @focus="departmentNameFocus" />
      <!-- 树形结构 -->
      <div v-if="showTree">
        <el-tree default-expand-all :data="treeData" :props="defaultProps" @node-click="handleNodeClick" />
      </div>
    </el-form-item>

    <el-form-item label="转正时间" prop="correctionTime">
      <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
    </el-form-item>

    <el-form-item>
      <el-button @click="cancelSubmit">取消</el-button>
      <el-button type="primary" @click="comfirmSubmit">确定</el-button>
    </el-form-item>

  </el-form>
</template>
<script>
import EmployeesEnum from '@/constant/employees'
import { getDepartments } from '@/api/departments'
import { addEmployee } from '@/api/employees'
import { transTree } from '@/utils/index'
export default {
  name: 'EmpDialog',
  data() {
    return {
      hireType: EmployeesEnum.hireType, // 聘用形式的枚举数据
      // 添加表单字段
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },

      // 添加表单的校验字段
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: 'blur' },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur' }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: 'blur' }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: 'blur' }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: 'change' }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: 'blur' }
        ]
        // correctionTime: [
        //   { required: true, message: '请选择转正时间', trigger: 'blur' }
        // ]
      },

      treeData: [], // 树形结构
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      showTree: false // 是否展示组织架构树形结构
    }
  },

  methods: {
    // 重置表单数据
    resetForm() {
      // 获取到表单的对象,调用 form 表单提供的重置方法
      this.$refs.addFormRef.resetFields()
    },

    // 是否展示部门的树形结构
    departmentNameFocus() {
      // 调用获取组织架构在数据的方法
      this.getDepartments()
    },

    // 获取组织架构的数据
    async getDepartments() {
      const res = await getDepartments()
      // 当数据返回以后展示树形结构
      this.showTree = true
      this.treeData = transTree(res.data.depts, '')
    },

    // 点击树形结构节点时触发
    handleNodeClick(data) {
      // 如果点击的部门包含子部门, 不能够被选中
      // 如果使用的是 filter 渲染树形结构, 需要判断 data.children 的长度
      if (data && data.children) return

      // 取出当前点击的部门的 name 值赋值给表单字段
      this.formData.departmentName = data.name

      // 将树形结构隐藏
      this.showTree = false
    },

    // 点击取消
    cancelSubmit() {
      this.$emit('close')
    },

    // 点击确定
    comfirmSubmit() {
      // 对表单进行兜底验证
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return

        // 通过后调用 API 发请求
        const res = await addEmployee(this.formData)
        // 成功提示
        this.$message.success(res.message)
        // 关闭弹窗
        this.$emit('update')
      })
    }

  }
}
</script>
<style scoped lang="scss">
form.el-form {
    padding: 0 60px 0 0;
}
.el-input {
    width: 100% !important;
}
.el-select {
    width: 100% !important;
}

</style>
